Comparison

Adaptivity (B) vs Blue Van Clef for Mobile

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Adaptivity (B)

Visualize how app layouts appear on various devices and adapt to different settings like orientation, multitasking, and text size changes. This free version offers essential tools for developers and designers to preview their work.

Highlights
  • Visualize layout sizes
  • Display sizes in points or pixels
  • Toggle status bar visibility
  • Support for iPad multitasking
  • Dark appearance support
  • Force right-to-left layout
  • Handoff actions
Features
Read full description

Adaptivity is an invaluable tool for developers and designers. Use it to visualize how Size Classes and margins for layout, readable content and the safe area look on real devices and how they change with respect to orientation, iPad multitasking and Dynamic Type size changes. This free version has reduced features. TESTIMONIALS • “Adaptivity is not just highly recommended – it’s essential” — Paul Hudson, Hacking With Swift article “8 essential apps for iOS developers”, 30th March 2020. • “It's a very, very good tool as a reference for both developers and designers” — Gui Rambo, Stacktrace podcast episode #77, 1st April 2020. • “I'm not trying to spend your money, but to me this is a no-brainer” — Sean Allen YouTube video “Indie Dev Apps”, 12th April 2020. MAIN FEATURES • Visualize sizes for full view, layout margins, readable content guide and safe area layout guide. • Sizes displayed in points or pixels. • Regular or large navigation bar titles. • Toggle status bar and navigation bar/toolbar/tab bar visibility. • Activity View Controller for sharing a snapshot image of each view. • iPad multitasking (see note). • Dark appearance support (requires iOS/iPadOS 13 or later). • Setting to force right-to-left layout. • Handoff actions from Adaptivity (B) on one device to Adaptivity (A) on another. OTHER VIEWS • Popover, Form/Page Sheet, Full Screen and Automatic modal presentations. • Customise Sheet Presentations on iOS/iPadOS 15 or later. • Tab Bar Controller • Class style Split View Controller. • Dynamic Type styles for the current Content Size Category. The full version of the app, Adaptivity (A), includes many more features: • Table View Controller. • Double and triple column style Split View Controllers (requires iOS/iPadOS 14 or later). • Keyboard Dodging and Custom Keyboard. • Safe Area Layout Guide. • Explore Pointer Interactions (requires iPadOS 13.4 or later and a trackpad or mouse). • Explore System Colors. • Explore System Fonts. • Explore System Images (requires iOS/iPadOS 13 or later). Choose which SF Symbols data set to view, configure rendering modes and much more. • Explore System Materials (requires iOS/iPadOS 13 or later). • Keyboard shortcuts. • Keyboard navigation (requires iPadOS 15 or later). • Home Screen Quick Actions (requires iOS/iPadOS 13 or later). • Siri shortcut with custom response UI. • Handoff support. • External display support. • Pre- and post-iOS 14 style Widgets to show layout. • iOS 14 style Widgets to show random System Images. • iOS 14 style Widgets to show Dynamic Type text styles. • iOS 16 lock screen Widgets to show layout. • iOS 16 lock screen Widgets to show random System Images. • Notification Content Extension. • Watch App. • iMessage App. Note: Adaptivity (A) supports multiple windows on iPadOS 13 or later. On earlier iOS versions, Adaptivity (A) and (B) must be downloaded to run Adaptivity twice using iPad multitasking. Adaptivity (A) is a universal purchase and includes a Mac Catalyst version of the app. Buying one allows the other to be downloaded at no extra cost using the same Apple ID. Adaptivity (C) has the same reduced features as Adaptivity (B) but only supports iPhone. Use it to visualize how an iPhone‑only app appears on iPad. For more information see https://hacknicity.com/adaptivity

About

Blue Van Clef for Mobile

Explore Bluetooth Low Energy (BLE) devices by discovering their services, characteristics, and descriptors. This open-source tool respects accessibility features like VoiceOver and Dark Mode.

Highlights
  • BLE device discovery
  • Service, characteristic, descriptor exploration
  • Accessibility support (VoiceOver, Dark Mode)
  • Open-source MIT license
  • Bluetooth Framework integration
Features
Read full description

Once connected to a device, you can do a "drill-down" discovery of the device's services, characteristics, and descriptors. The app is designed to respect Accessibility (VoiceOver and Increased Contrast), as well as Dark Mode. This is a 100% open-source app, with the code licensed as MIT. It uses the BlueThoth Framework (A Bluetooth SDK), which is also 100% open-source. The source repo for the app is: https://github.com/RiftValleySoftware/BlueVanClef The source repo for the BlueThoth Framework is: https://github.com/RiftValleySoftware/RVS_BlueThoth This is a page with some basic instructions for the app: https://riftvalleysoftware.com/bluevanclef/

Screenshots

Adaptivity (B)4 screens
Blue Van Clef for Mobile4 screens

Verdict

The call

The clearest difference is iOS requirement: Adaptivity (B) at 11.0 against Blue Van Clef for Mobile's 13.0. On price, rating, ratings volume and update cadence there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Adaptivity (B) holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 9 and 6 respectively.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

Scorecard1 real difference · 9 level
Adaptivity (B) versus Blue Van Clef for Mobile: the parameters behind the verdict, then further details
ParameterAdaptivity (B)Blue Van Clef for Mobile
PriceFreeFree
Rating5.0 (9 ratings) — better4.8 (6 ratings)
Positive reviews100.0% of reviews—
Number of ratings9 — better6
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Apple Watch — better
Requires iOS11.0 — better13.0
Further details — not scored
Size12 MB4 MB
Age rating4+4+
DeveloperGeoff HackworthRift Valley Software, Inc.

Customer experience

Adaptivity (B)

All ratings9 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Blue Van Clef for Mobile

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Adaptivity (B)

No in-app purchases

None

Blue Van Clef for Mobile

No in-app purchases

Questions

Is Adaptivity (B) free?
Adaptivity (B) is free to download, with no in-app purchases.
Is Blue Van Clef for Mobile free?
Blue Van Clef for Mobile is free to download, with no in-app purchases.
Which has better reviews, Adaptivity (B) or Blue Van Clef for Mobile?
Adaptivity (B) is rated higher. Adaptivity (B) averages 5.0 out of 5 from 9 ratings, while Blue Van Clef for Mobile averages 4.8 from 6 ratings.
Do Adaptivity (B) or Blue Van Clef for Mobile have ads?
Neither Adaptivity (B) nor Blue Van Clef for Mobile shows ads.
Which is updated more often, Adaptivity (B) or Blue Van Clef for Mobile?
Adaptivity (B) ships an update every 2 months, and Blue Van Clef for Mobile every 2 months. Most recently, Adaptivity (B) was updated on October 29, 2026 and Blue Van Clef for Mobile on October 24, 2026.

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